Search For:

Displaying 1-40 out of 40 total
Analysis of Power Management Strategies for a Large-Scale SoC Platform in 65nm Technology
Found in: Digital Systems Design, Euromicro Symposium on
By Andrea Marongiu, Luca Benini, Andrea Acquaviva, Andrea Bartolini
Issue Date:September 2008
pp. 259-266
Leakage power has become a major concern in nanometer technologies (65nm and beyond), and new strategies are being proposed to overcome the limitations of traditional dynamic voltage and frequency scaling (DVFS) and shutdown (SD) approaches in dealing with...
 
Temperature and Leakage Aware Power Control for Embedded Streaming Applications
Found in: Digital Systems Design, Euromicro Symposium on
By Andrea Alimonda, Andrea Acquaviva, Salvatore Carta
Issue Date:September 2008
pp. 107-114
Leakage power has an increasing relevance for recent and future embedded technologies. Moreover, its contribution is heavily dependent on runtime temperature and process variations, that strongly impact the effectiveness of energy management strategies. Fu...
 
Aging-Aware Energy-Efficient Workload Allocation for Mobile Multimedia Platforms
Found in: IEEE Transactions on Parallel and Distributed Systems
By Francesco Paterna,Andrea Acquaviva,Luca Benini
Issue Date:August 2013
pp. 1489-1499
Multicore platforms are characterized by increasing variability and aging effects that imply heterogeneity in core performance, energy consumption, and reliability. In particular, wear-out effects such as negative-bias-temperature-instability require runti...
 
Gelsius: A Literature-Based Workflow for Determining Quantitative Associations between Genes and Biological Processes
Found in: IEEE/ACM Transactions on Computational Biology and Bioinformatics
By Francesco Abate,Andrea Acquaviva,Elisa Ficarra,Roberto Piva,Enrico Macii
Issue Date:May 2013
pp. 619-631
An effective knowledge extraction and quantification methodology from biomedical literature would allow the researcher to organize and analyze the results of high-throughput experiments on microarrays and next-generation sequencing technologies. Despite th...
 
A Cloud Infrastructure for Optimization of a Massive Parallel Sequencing Workflow
Found in: Cluster Computing and the Grid, IEEE International Symposium on
By Olivier Terzo,Lorenzo Mossucca,Andrea Acquaviva,Francesco Abate,Rosalba Provenzano
Issue Date:May 2012
pp. 678-679
Massive Parallel Sequencing is a term used to describe several revolutionary approaches to DNA sequencing, the so-called Next Generation Sequencing technologies. These technologies generate millions of short sequence fragments in a single run and can be us...
 
Reverse Engineering of TopHat: Splice Junction Mapper for Improving Computational Aspect
Found in: Intelligent Systems, Modelling and Simulation, International Conference on
By Olivier Terzo,Lorenzo Mossucca,Andrea Acquaviva,Francesco Abate,Elisa Ficarra,Rosalba Provenzano
Issue Date:February 2012
pp. 171-176
TopHat is a fast splice junction mapper for Next Generation Sequencing analysis, a technology for functional genomic research. Next Generation Sequencing technology allows more accurate analysis increasing data to elaborate, this opens to new challenges in...
 
Motion Artifact Correction in ASL images: An Improved Automated Procedure
Found in: Bioinformatics and Biomedicine, IEEE International Conference on
By Santa Di Cataldo,Elisa Ficarra,Andrea Acquaviva,Enrico Macii
Issue Date:November 2011
pp. 410-413
Arterial Spin Labelling (ASL) is a perfusion MRI technique with tremendous applications in the study of biological markers and prognostic factors of brain tumors and in the assessment of neural diseases, moreover, it is completely non-invasive as it uses t...
 
A novel framework for chimeric transcript detection based on accurate gene fusion model
Found in: Bioinformatics and Biomedicine Workshop, IEEE International Conference on
By Francesco Abate,Andrea Acquaviva,Elisa Ficarra,Giulia Paciello,Enrico Macii,Alberto Ferrarini,Massimo Delledonne,Simona Soverini,Giovanni Martinelli
Issue Date:November 2011
pp. 34-41
Next generation sequencing plays a key role in the detection of structural variations. Chimeric transcripts are relevant examples of such variations, as they are involved in several diseases. In this work, we propose an effective methodology for the detect...
 
Variability-Aware Task Allocation for Energy-Efficient Quality of Service Provisioning in Embedded Streaming Multimedia Applications
Found in: IEEE Transactions on Computers
By Francesco Paterna,Andrea Acquaviva,Alberto Caprara,Francesco Papariello,Giuseppe Desoli,Luca Benini
Issue Date:July 2012
pp. 939-953
Multimedia streaming applications running on next-generation parallel multiprocessor arrays in sub-45 nm technology face new challenges related to device and process variability, leading to performance and power variations across the cores. In this context...
 
Adaptive Task Migration Policies for Thermal Control in MPSoCs
Found in: VLSI, IEEE Computer Society Annual Symposium on
By David Cuesta, José L. Ayala, José I. Hidalgo, David Atienza, Andrea Acquaviva, Enrico Macii
Issue Date:July 2010
pp. 110-115
In deep submicron circuits, high temperatures have created critical issues in reliability, timing, performance, coolings costs and leakage power. Task migration techniques have been proposed to manage efficiently the thermal distribution in multi-processor...
 
Thermal Balancing Policy for Streaming Computing on Multiprocessor Architectures
Found in: Design, Automation and Test in Europe Conference and Exhibition
By Fabrizio Mulas, Michele Pittau, Marco Buttu, Salvatore Carta, Andrea Acquaviva, Luca Benini, David Atienza, Giovanni De Micheli
Issue Date:March 2008
pp. 734-739
As feature sizes decrease, power dissipation and heat generation density exponentially increase. Thus, temperature gradients in Multiprocessor Systems on Chip (MPSoCs) can seriously impact system performance and reliability. Thermal balancing policies base...
 
A Wireless Body Area Sensor Network for Posture Detection
Found in: Computers and Communications, IEEE Symposium on
By Elisabetta Farella, Augusto Pieracci, Luca Benini, Andrea Acquaviva
Issue Date:June 2006
pp. 454-459
Body Area Sensor Networks (BASN) are an emerging technology enabling the design of natural Human Computer Interfaces (HCI) in the context of Ambient Intelligence. This class of interactive applications poses new challenges on sensor network design that are...
 
Power-Aware Network Swapping for Wireless Palmtop PCs
Found in: IEEE Transactions on Mobile Computing
By Andrea Acquaviva, Emanuele Lattanzi, Alessandro Bogliolo
Issue Date:May 2006
pp. 571-582
Virtual memory is considered to be an unlimited resource in desktop or notebook computers with high storage capabilities. However, in wireless mobile devices, like palmtops and personal digital assistants (PDAs), storage memory is limited or absent due to ...
 
Design and Implementation of WiMoCA Node for a Body Area Wireless Sensor Network
Found in: Wireless Technologies/High Speed Networks/Multimedia Communications Systems/Sensor Networks, International Conference on
By Elisabetta Farella, Augusto Pieracci, Davide Brunelli, Luca Benini, Bruno Riccó, Andrea Acquaviva
Issue Date:August 2005
pp. 342-347
This paper presents the design and implementation of a wireless sensor node for a Motion Capture system with Accelerometers (WiMoCA). It is composed by a tri-axial integrated accelerometer, a microcontroller and a wireless transceiver. WiMoCA nodes have be...
 
Power-Aware Network Swapping for Wireless Palmtop PCs
Found in: Design, Automation and Test in Europe Conference and Exhibition
By Andrea Acquaviva, Emanuele Lattanzi, Alessandro Bogliolo
Issue Date:February 2004
pp. 20858
Virtual memory is considered to be an unlimited resource in desktop or notebook computers with high storage memory capabilities. However, in wireless mobile devices like palmtops and personal digital assistants (PDA), storage memory is limited or absent du...
 
An Adaptive Algorithm for Low-Power Streaming Multimedia Processing
Found in: Design, Automation and Test in Europe Conference and Exhibition
By Andrea Acquaviva, Luca Benini, Bruno Riccó
Issue Date:March 2001
pp. 0273
Abstract: This paper addresses the problem of power consumption in multimedia system architectures and presents an algorithmic optimization technique to achieve the goal of power reduction in the context of real time processing. The technique is based on a...
 
Energy aware TLM platform simulation via RTL abstraction
Found in: 2012 IEEE International High Level Design Validation and Test Workshop (HLDVT)
By Nicola Bombieri,Franco Fummi,Valerio Guarnieri,Andrea Acquaviva
Issue Date:November 2012
pp. 156-163
Energy consumption estimation is nowadays one of the most pressing concerns in the design of embedded systems. In order to provide power estimates, techniques have been developed to enable energy-aware simulation of CPU models at different abstraction leve...
   
ToucHMore toolchain and system software for energy and variability customisation
Found in: 2012 IEEE International High Level Design Validation and Test Workshop (HLDVT)
By Neil C. Audsley,Ian Gray,Andrea Acquaviva,Ralph Haines
Issue Date:November 2012
pp. 148-155
Run-time platform variability presents a number of challenges to the system software in order that a run-time environment is presented to applications that sufficiently masks dynamic platform variability (including fabrication variability), whilst allowing...
   
An Automated Tool for Scoring Biomedical Terms Correlation Based on Semantic Analysis
Found in: Complex, Intelligent and Software Intensive Systems, International Conference
By F. Abate, Elisa Ficarra, Andrea Acquaviva, Enrico Macii
Issue Date:February 2010
pp. 700-705
The considerable improvement in the biotechnogical field and the adoption of screen techniques such as high throughput arrays produced a spread of biological and genetical data and scientific papers, mostly diffused on the Web. Even if the huge amount of a...
 
MicroRNA Target Prediction and Exploration through Candidate Binding Sites Generation
Found in: Complex, Intelligent and Software Intensive Systems, International Conference
By Paula Helena Reyes-Herrera, Andrea Acquaviva, Elisa Ficarra, Enrico Macii
Issue Date:February 2010
pp. 683-688
Gene regulation is one of the most important processes in the molecular biology, in the last years the microRNA molecule, one of the non-coding RNAs involved in the process, has been the focus of attention for several studies. The computational research on...
 
A control theoretic approach to energy-efficient pipelined computation in MPSoCs
Found in: ACM Transactions on Embedded Computing Systems (TECS)
By Alessandro Pisano, Andrea Acquaviva, Andrea Alimonda, Luca Benini, Salvatore Carta
Issue Date:September 2007
pp. 27-es
In this work, we describe a control theoretic approach to dynamic voltage/frequency scaling (DVFS) in a pipelined MPSoC architecture with soft real-time constraints, aimed at minimizing energy consumption with throughput guarantees. Theoretical analysis an...
     
Dynamic Voltage Scaling and Power Management for Portable Systems
Found in: Design Automation Conference
By Andrea Acquaviva, Luca Benini, Peter Glynn, Giovanni De Micheli, Tajana Simunic
Issue Date:June 2001
pp. 524-529
Portable systems require long battery lifetime while still delivering high performance. Dynamic voltage scaling (DVS) algorithms reduce energy consumption by changing processor speed and voltage at run-time depending on the needs of the applications runnin...
 
Processor Frequency Setting for Energy Minimization of Streaming Multimedia Application
Found in: Hardware/Software Co-Design, International Workshop on
By Andrea Acquaviva, Luca Benini, Bruno Roccò
Issue Date:April 2001
pp. 249
In this paper, we describe a software-controlled approach for adaptively minimizing energy in embedded systems for real-time multimedia processing. Energy is optimized by clock speed setting: the software controller dynamically adjusts processor clock spee...
 
Integration of Literature with Heterogeneous Information for Genes Correlation Scoring
Found in: ACM Journal on Emerging Technologies in Computing Systems (JETC)
By Andrea Acquaviva, Elisa Ficarra, Enrico Macii, Francesco Abate
Issue Date:November 2013
pp. 1-22
Determining the correlation between biomedical terms is a powerful instrument to help scientist research activity, both to understand experimental results and to design new ones. In particular, a great potential comes from the integration of the many heter...
     
Explicit Java control of low-power heterogeneous parallel processing in the ToucHMore project
Found in: Proceedings of the 11th International Workshop on Java Technologies for Real-time and Embedded Systems (JTRES '13)
By Adrian Larkham, Andrea Acquaviva, Ian Gray, Gasser Ayad, Kelvin Nilsen, Ludovic Gauthier
Issue Date:October 2013
pp. 68-77
This paper describes an approach to deploying Java on low-power, low-memory, heterogeneous multi-core systems. A goal of the effort is to enable the use of such systems in applications that must comply with real-time constraints, some of which must satisfy...
     
Gelsius: A Literature-Based Workflow for Determining Quantitative Associations between Genes and Biological Processes
Found in: IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB)
By Andrea Acquaviva, Elisa Ficarra, Roberto Piva, Enrico Macii, Francesco Abate
Issue Date:May 2013
pp. 619-631
An effective knowledge extraction and quantification methodology from biomedical literature would allow the researcher to organize and analyze the results of high-throughput experiments on microarrays and next-generation sequencing technologies. Despite th...
     
Variability-tolerant workload allocation for MPSoC energy minimization under real-time constraints
Found in: ACM Transactions on Embedded Computing Systems (TECS)
By Andrea Acquaviva, Francesco Papariello, Francesco Paterna, Giuseppe Desoli, Luca Benini
Issue Date:December 2012
pp. 1-24
Sub-50nm CMOS technologies are affected by significant variability, which causes power and performance variations among nominally similar cores in MPSoC platforms. This undesired heterogeneity threatens execution predictability and energy efficiency. We pr...
     
Automatic customization of device drivers for IP-cores used with assorted CPU organizations
Found in: Proceedings of the 7th IEEE/ACM international conference on Hardware/software codesign and system synthesis (CODES+ISSS '09)
By Andrea Acquaviva, Franco Fummi, Nicola Bombieri, Sara Vinco
Issue Date:October 2009
pp. 173-182
Plugging an IP core into an embedded platform implies the generation of a device driver complying with the IP communication protocol from one side and with the CPU organization (i.e., single processor, SMP, AMP) from the other side. Reusing an existent dri...
     
An energy-aware co-simulation framework for the design of wireless sensor networks
Found in: Proceedings of the 18th ACM Great Lakes symposium on VLSI (GLSVLSI '08)
By Andrea Acquaviva, Davide Quaglia, Franco Fummi, Giovanni Perbellini
Issue Date:May 2008
pp. 1-37
In this paper we present an energy-aware framework for the design of wireless sensor networks, based on a hardware/software/network co-simulation strategy. The framework enables fast development and optimization of software power management policies, since...
     
Thermal balancing policy for streaming computing on multiprocessor architectures
Found in: Proceedings of the conference on Design, automation and test in Europe (DATE '08)
By Andrea Acquaviva, David Atienza, Fabrizio Mulas, Luca Benini, Marco Buttu, Michele Pittau, Salvatore Carta
Issue Date:March 2008
pp. 1-30
As feature sizes decrease, power dissipation and heat generation density exponentially increase. Thus, temperature gradients in Multiprocessor Systems on Chip (MPSoCs) can seriously impact system performance and reliability. Thermal balancing policies base...
     
Dynamic reconfiguration in sensor networks with regenerative energy sources
Found in: Proceedings of the conference on Design, automation and test in Europe (DATE '07)
By Andrea Acquaviva, Ani Nahapetian, Luca Benini, Majid Sarrafzadeh, Paolo Lombardo
Issue Date:April 2007
pp. 1054-1059
In highly power constrained sensor networks, harvesting energy from the environment makes prolonged or even perpetual execution feasible. In such energy harvesting systems, energy sources are characterized as being regenerative. Regenerative energy sources...
     
A lightweight parallel java execution environment for embedded multiprocessor systems-on-chip
Found in: Proceedings of the 17th great lakes symposium on Great lakes symposium on VLSI (GLSVLSI '07)
By Andrea Acquaviva, Luca Benini, Marco Mantovani, Martino Ruggiero, Simone Leardini
Issue Date:March 2007
pp. 509-512
Java is a very popular execution environment for embeddedsystems platforms. However, current industrial and research implementationfocus on single-processor platforms. In this paperwe analyze a prototype parallel Java Virtual Machine implementationtargeted...
     
Multi-processor operating system emulation framework with thermal feedback for systems-on-chip
Found in: Proceedings of the 17th great lakes symposium on Great lakes symposium on VLSI (GLSVLSI '07)
By Andrea Acquaviva, David Atienza, Fernando Rincon, Giovanni De Micheli, Jose M. Mendias, Luca Benini, Pablo G. Del Valle, Salvatore Carta
Issue Date:March 2007
pp. 311-316
Multi-Processor System-On-Chip (MPSoC) can provide the performance levels required by high-end embedded applications. However, they do so at the price of an increasing power density, which may lead to thermal runaway if coupled with low-cost packaging and ...
     
Energetic sustainability of environmentally powered wireless sensor networks
Found in: Proceedings of the 3rd ACM international workshop on Performance evaluation of wireless ad hoc, sensor and ubiquitous networks (PE-WASUN '06)
By Alessandro Bogliolo, Andrea Acquaviva, Emanuele Lattanzi
Issue Date:October 2006
pp. 149-152
Environmentally-powered wireless sensor networks (WSNs) exploit renewable energy sources to make the lifetime of sensor nodes theoretically unlimited. This perspective requires a paradigm shift in the design of energy-aware WSNs: Instead of maximizing the ...
     
An opportunistic reconfiguration strategy for environmentally powered devices
Found in: Proceedings of the 3rd conference on Computing frontiers (CF '06)
By Alex Susu, Andrea Acquaviva, Giovanni De Micheli, Igino Folcarelli, Ties Kluter
Issue Date:May 2006
pp. 171-176
Environmental energy is becoming a feasible alternative to traditional energy sources for ultra low-power devices such as sensor nodes and smart watches. Moreover, the increasing need for flexibility and reconfigurability of such devices makes its energy m...
     
Proximity services supporting network virtual memory in mobile devices
Found in: Proceedings of the 2nd ACM international workshop on Wireless mobile applications and services on WLAN hotspots (WMASH '04)
By Alessandro Bogliolo, Andrea Acquaviva, Emanuele Lattanzi
Issue Date:October 2004
pp. 119-126
Wireless networked embedded terminals like personal digital assistants, cell-phones or sensor nodes are typically memory constrained devices. This limitation prevents the development of applications that require a large amount of run-time memory space. In ...
     
Design and simulation of power-aware scheduling strategies of streaming data in wireless LANs
Found in: Proceedings of the 7th ACM international symposium on Modeling, analysis and simulation of wireless and mobile systems (MSWiM '04)
By Alessandro Bogliolo, Andrea Acquaviva, Emanuele Lattanzi
Issue Date:October 2004
pp. 39-46
One of the major concern for 802.11b wireless local area network is energy efficiency. In fact, mobile devices spend a large amount of power on their radio interface for accessing multimedia services such as audio and video streaming.In this work we addres...
     
Low Power Control Techniques For TFT LCD Displays
Found in: Proceedings of the international conference on Compilers, architecture, and synthesis for embedded systems (CASES '02)
By Andrea Acquaviva, Bruno Ricco', Franco Gatti, Luca Benini
Issue Date:October 2002
pp. 218-224
Display power consumption is often the most significant contributor to the overall power budget for many portable devices. Traditionally, liquid crystal display (LCD) power minimization has focused on technology and circuit design. In this paper we take an...
     
Dynamic voltage scaling and power management for portable systems
Found in: Proceedings of the 38th conference on Design automation (DAC '01)
By Andrea Acquaviva, Giovanni De Micheli, Luca Benini, Peter Glynn, Tajana Simunic
Issue Date:June 2001
pp. 524-529
Portable systems require long battery lifetime while still delivering high performance. Dynamic voltage scaling (DVS) algorithms reduce energy consumption by changing processor speed and voltage at run-time depending on the needs of the applications runnin...
     
A spatially-adaptive bus interface for low-switching communication (poster session)
Found in: Proceedings of the 2000 international symposium on Low power electronics and design (ISLPED '00)
By Andrea Acquaviva, Riccardo Scarsi
Issue Date:July 2000
pp. 238-240
Adaptive encoding has shown to be an effective approach to bus power minimization in situations where characterization of the input statistics is not available. In this paper, we propose a novel technique for adaptive bus encoding that, conversely from exi...
     
 1